Project 301 2S battery simple charger，15W peak power

Able to charge 301 battery to 4.2 V

301 2S simple charger
Supports 5V 3A input (adaptive to most mobile phone chargers and power banks)
Able to charge 301 battery to 4.2 V

Can charge one or two 2S 500MAH batteries with voltage difference within 0.5V at the same time

The red and blue lights light up at the same time to indicate charging status.
Blue light goes off, battery is fully charged

Please note:
If you need to charge two batteries at the same time, please ensure that the two batteries are of the same model and capacity and the voltage difference is less than 0.5V.

When charging two batteries at the same time, the peak charging power of each battery is 7W